Wilderness Landscape & Natural Heritage
Otter River State Forest is located in north-central Massachusetts, primarily within the towns of Templeton and Winchendon. Spanning over 1,799 acres, this state forest offers a diverse natural environment featuring mixed hardwood and conifer stands, ledges, streams, and several small ponds. Originally developed by the Civilian Conservation Corps in the 1930s, the forest retains its historical rustic charm alongside modern recreational improvements. Visitors can explore a well-maintained trail network suitable for hiking, mountain biking, and horseback riding, providing opportunities to experience the area’s varied terrain and scenic vistas. The forest also includes swimming and fishing spots, picnic areas, and a campground that is popular in the warmer months. Wildlife in the forest includes white-tailed deer, wild turkey, various songbirds, and reptiles, making it a favorable spot for wildlife viewing and birdwatching. Otter River is recognized for its accessibility and appeal to families, with its equestrian facilities, playgrounds, and educational programming often hosted by the Massachusetts Department of Conservation and Recreation. The forest’s proximity to the Nashua River and nearby reservoirs adds aquatic recreation options. Overall, Otter River State Forest provides a balanced outdoor experience blending natural beauty, recreational diversity, and historic significance.


